:root{
  --ink:#122d28; --ink2:#37534b; --muted:#7c8176;
  --paper:#f2ecdf; --paper2:#fbf7ee; --paper3:#e8dfcd;
  --line:#dcd1bd; --line2:#c9bca5;
  --terra:#b95533; --gold:#b1843f; --jade:#2e7668; --river:#2b647f; --wine:#7a3b4a;
  --ok:#1f6b4f; --warn:#8a5a13;
  --shadow:0 18px 44px -28px rgba(18,45,40,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:118px}
body{
  margin:0;min-height:100dvh;background:var(--paper);color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.lock{overflow:hidden}
button,input,select{font:inherit}
button{cursor:pointer}
a{color:inherit}
::selection{background:var(--terra);color:#fff}
.app{max-width:980px;margin:0 auto;min-height:100dvh;position:relative}

/* hero */
.hero{
  position:relative;overflow:hidden;color:#f7f1e3;
  padding:calc(16px + env(safe-area-inset-top)) 18px 22px;
  border-radius:0 0 28px 28px;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(92,132,106,.45) 0%, transparent 58%),
    radial-gradient(100% 80% at 0% 100%, rgba(185,85,51,.18) 0%, transparent 60%),
    linear-gradient(160deg,#0c2420 0%,#14362e 55%,#102a25 100%);
}
.hero:before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.22;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size:32px 32px;
  mask-image:linear-gradient(to bottom,#000,transparent 85%);
}
.hero>*{position:relative;z-index:1}
.topline{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.brand{font-family:"DIN Alternate","Helvetica Neue",Arial,sans-serif;font-size:10px;letter-spacing:.22em;font-weight:700}
.brand span{display:block;margin-top:3px;font-family:"PingFang SC",sans-serif;font-size:9px;letter-spacing:.18em;color:#b9c9bc;font-weight:400}
.cut{font-family:"DIN Alternate",Arial,sans-serif;font-size:8px;letter-spacing:.12em;color:#aebdb2;white-space:nowrap}
.cut b{color:#e7dcc6;font-weight:600;margin-left:4px}
.kicker{margin:22px 0 8px;font-size:8.5px;letter-spacing:.26em;color:#d49a70;font-weight:700}
h1{margin:0;font-family:"Songti SC","Noto Serif SC","STSong","SimSun",serif;font-size:clamp(32px,9.6vw,48px);line-height:1.08;letter-spacing:.01em;font-weight:700}
h1 em{font-style:normal;color:#e5a273}
.sub{margin:10px 0 0;font-size:11.5px;line-height:1.7;color:#c9d4c8;letter-spacing:.02em}
.search{
  display:flex;align-items:center;gap:8px;margin-top:16px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  border-radius:12px;padding:0 11px;height:42px;backdrop-filter:blur(6px);
}
.search svg{width:16px;height:16px;fill:none;stroke:#c8d4c9;stroke-width:1.8;flex:0 0 auto}
.search input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:#fff;font-size:12px;height:100%}
.search input::placeholder{color:#a9b8ac}
.hero-all{display:inline-flex;align-items:center;gap:5px;margin-top:13px;font-size:10px;color:#f0c48a;text-decoration:none;border-bottom:1px solid rgba(240,196,138,.4);padding-bottom:2px;letter-spacing:.02em}
.kpis{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-top:16px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.13);overflow:hidden;border-radius:12px}
.kpi{background:rgba(11,35,30,.52);padding:10px 11px 9px;min-width:0}
.kv{font-family:"DIN Alternate","Avenir Next Condensed","Helvetica Neue",Arial,sans-serif;font-size:23px;font-weight:700;line-height:1;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.kl{margin-top:5px;font-size:9px;color:#b9c8ba;line-height:1.4}
.kl small{font-size:8px;opacity:.8;margin-left:1px}

/* main */
.main{padding:14px 13px 34px}
.map-card{background:var(--paper2);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;padding:14px 14px 8px}
.eyebrow{font-family:"DIN Alternate",Arial,sans-serif;font-size:8px;letter-spacing:.18em;color:var(--terra);font-weight:700;margin-bottom:3px}
.section-head h2,.list-head h2{margin:0;font-family:"Songti SC","Noto Serif SC","STSong",serif;font-size:20px;line-height:1.2;letter-spacing:.01em}
.text-btn{appearance:none;border:0;background:transparent;color:var(--muted);font-size:10px;padding:6px 2px;border-bottom:1px solid transparent}
.text-btn:hover{color:var(--terra);border-color:rgba(185,85,51,.35)}
.map-wrap{position:relative;width:calc(100% - 16px);max-width:680px;margin:0 auto;border-radius:12px;overflow:hidden;background:#e8dfcd;border:1px solid rgba(201,188,165,.55)}
#map{display:block;width:100%;max-width:680px;height:auto;margin:0 auto}
#map .district{stroke:#f8f3e8;stroke-width:1.5;transition:fill .3s ease,filter .2s ease;cursor:pointer}
#map .district.active{stroke:#122d28;stroke-width:2.6}
#map .district:active{filter:brightness(1.06)}
#map .river{fill:none;stroke:#2b647f;stroke-width:7;stroke-linecap:round;stroke-linejoin:round;opacity:.93;pointer-events:none}
#map .river-glow{fill:none;stroke:#f8f3e8;stroke-width:14;stroke-linecap:round;stroke-linejoin:round;opacity:.85;pointer-events:none}
#map .map-label{font-family:"Songti SC","Noto Serif SC",serif;font-size:21px;font-weight:700;fill:#4b4d42;text-anchor:middle;letter-spacing:.1em;paint-order:stroke;stroke:#e8dfcd;stroke-width:3.5px;pointer-events:none}
#map .map-label.small{font-size:17px}
#map .map-area{font-size:9px;fill:#6d6a5b;text-anchor:middle;letter-spacing:.05em;opacity:.72;paint-order:stroke;stroke:#e8dfcd;stroke-width:2.5px;pointer-events:none}
#map .river-label{font-family:"Songti SC",serif;font-size:16px;font-weight:700;fill:#2b647f;text-anchor:middle;letter-spacing:.22em;opacity:.78;paint-order:stroke;stroke:#e8dfcd;stroke-width:3.5px;pointer-events:none}
.map-hint{position:absolute;right:8px;top:8px;background:rgba(251,247,238,.82);border:1px solid rgba(201,188,165,.6);color:var(--muted);font-size:8px;padding:4px 7px;border-radius:999px;backdrop-filter:blur(4px)}
.map-legend{position:absolute;right:7px;bottom:7px;display:flex;align-items:center;gap:3px;background:rgba(251,247,238,.9);border:1px solid rgba(201,188,165,.7);padding:4px 6px;border-radius:999px;font-size:7px;color:var(--muted);backdrop-filter:blur(4px)}
.map-legend i{display:block;width:14px;height:7px}
.lg1{background:#e8dfce}.lg2{background:#dbc7a3}.lg3{background:#c9a97b}.lg4{background:#b57e56}.lg5{background:#793127}
.map-legend i:first-of-type{border-radius:3px 0 0 3px}.map-legend i:last-of-type{border-radius:0 3px 3px 0}
.district-strip{display:flex;gap:7px;overflow-x:auto;padding:9px 12px 13px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.district-strip::-webkit-scrollbar{display:none}
.district-btn{flex:0 0 auto;min-width:78px;appearance:none;border:1px solid var(--line);background:#fffdf7;border-radius:11px;padding:6px 9px;text-align:left;transition:all .15s}
.district-btn b{display:block;font-size:10.5px;line-height:1.3;color:var(--ink)}
.district-btn span{display:block;margin-top:1px;font-family:"DIN Alternate",Arial,sans-serif;font-size:9px;color:var(--muted)}
.district-btn.on{background:var(--ink);border-color:var(--ink)}
.district-btn.on b,.district-btn.on span{color:#f8f1e2}

/* list */
.list-section{margin-top:22px;scroll-margin-top:120px}
.list-head{display:flex;justify-content:space-between;align-items:flex-end;gap:10px;padding:0 2px 8px}
.list-actions{display:flex;align-items:center;gap:8px;white-space:nowrap}
.all-link{font-size:9px;color:var(--terra);text-decoration:none;border-bottom:1px solid rgba(185,85,51,.35);padding-bottom:1px}
.count{font-family:"DIN Alternate",Arial,sans-serif;font-size:10px;color:var(--muted);letter-spacing:.04em;white-space:nowrap}
.detail-toggle{font-size:9.5px;color:var(--terra);padding:2px;border-bottom:1px solid rgba(185,85,51,.35)}
.controls{position:sticky;top:0;z-index:30;background:rgba(242,236,223,.96);backdrop-filter:blur(12px);padding:8px 0 6px;margin:0 -2px 8px;border-bottom:1px solid rgba(220,209,189,.7)}
.tabs{display:flex;gap:4px;background:#e6dccb;padding:3px;border-radius:11px}
.tab{flex:1;appearance:none;border:0;background:transparent;color:var(--ink2);font-size:10.5px;padding:7px 6px;border-radius:9px;transition:all .15s}
.tab.on{background:var(--ink);color:#f8f1e2;box-shadow:0 2px 6px rgba(18,45,40,.15)}
.chips{display:flex;gap:6px;overflow-x:auto;padding:8px 0 2px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;appearance:none;border:1px solid var(--line2);background:transparent;color:var(--ink2);font-size:10px;padding:5px 9px;border-radius:999px;white-space:nowrap;transition:all .15s}
.chip.on{background:var(--terra);border-color:var(--terra);color:#fff}
.sort-row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:5px 1px 0;font-size:9px;color:var(--muted)}
.sort{display:flex;align-items:center;gap:5px;font-size:9px;color:var(--muted)}
.sort select{appearance:none;border:1px solid var(--line);background:var(--paper2);border-radius:8px;color:var(--ink2);font-size:9px;padding:4px 20px 4px 7px;background-image:linear-gradient(45deg,transparent 50%,#7c8176 50%),linear-gradient(135deg,#7c8176 50%,transparent 50%);background-position:calc(100% - 9px) 50%,calc(100% - 5px) 50%;background-size:4px 4px,4px 4px;background-repeat:no-repeat}
.list{display:grid;grid-template-columns:1fr;gap:10px}
.card{background:var(--paper2);border:1px solid var(--line);border-radius:15px;padding:13px 13px 12px;box-shadow:0 10px 24px -22px rgba(18,45,40,.45);cursor:pointer;transition:transform .15s ease,border-color .15s ease;display:flex;flex-direction:column;gap:5px;position:relative;overflow:hidden}
.card:active{transform:scale(.992);border-color:var(--line2)}
.card-top{display:flex;align-items:center;gap:5px;flex-wrap:wrap}
.rank{font-family:"DIN Alternate",Arial,sans-serif;font-size:8px;letter-spacing:.08em;color:var(--muted);margin-right:2px}
.kind,.budget{font-size:8px;padding:2px 6px;border-radius:5px;line-height:1.5;white-space:nowrap}
.kind.new{background:#dceae4;color:#1f5b50}
.kind.used{background:#ece2d0;color:#6b5738}
.budget.ok{background:#dcece3;color:#1d6b4f}
.budget.warn{background:#f4e5c8;color:#8a5a13}
.budget.over{background:#ecece7;color:#777}
.card h3{margin:3px 0 0;font-family:"Songti SC","Noto Serif SC","STSong",serif;font-size:21px;line-height:1.2;letter-spacing:.01em}
.meta{font-size:9px;color:var(--muted);line-height:1.5}
.price-row{display:flex;justify-content:space-between;align-items:flex-end;gap:8px;margin:2px 0 1px}
.price{font-family:"DIN Alternate","Avenir Next Condensed","Helvetica Neue",Arial,sans-serif;font-weight:700;font-size:26px;line-height:1;letter-spacing:-.01em}
.price small{font-size:9px;font-weight:400;color:var(--muted);margin-left:2px;letter-spacing:0}
.spec{text-align:right;font-size:9px;color:var(--ink2);line-height:1.55}
.spec b{display:block;font-family:"DIN Alternate",Arial,sans-serif;font-size:11px;color:var(--ink)}
.specs{display:flex;gap:9px;flex-wrap:wrap;border-top:1px solid rgba(220,209,189,.75);border-bottom:1px solid rgba(220,209,189,.75);padding:5px 0;margin:1px 0}
.specs span{font-size:8.5px;color:var(--ink2)}
.specs b{font-family:"DIN Alternate",Arial,sans-serif;font-weight:600;color:var(--ink)}
.tags{display:flex;gap:4px;flex-wrap:wrap}
.tags span{font-size:8px;color:var(--ink2);background:var(--paper3);padding:2px 5px;border-radius:4px}
.card-extra{display:none;flex-direction:column;gap:4px;border-top:1px dashed var(--line);padding-top:6px;margin-top:1px}
.card-extra>div{display:grid;grid-template-columns:54px minmax(0,1fr);gap:6px;font-size:9px;line-height:1.6;color:var(--ink2)}
.card-extra b{color:var(--muted);font-weight:600}
.card-extra span{color:var(--ink2)}
.list.detailed .card-extra{display:flex}
.list.detailed .pline,.list.detailed .mline{display:block;-webkit-line-clamp:unset;overflow:visible}
.pline,.mline{font-size:9.5px;line-height:1.65;color:var(--ink2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pline b,.mline b{font-weight:700;margin-right:3px}
.pline b{color:var(--jade)}.mline b{color:var(--terra)}
.skeleton{height:168px;border-radius:15px;background:linear-gradient(100deg,#ece3d3 20%,#f7f0e3 40%,#ece3d3 60%);background-size:220% 100%;animation:shimmer 1.3s infinite linear}
@keyframes shimmer{to{background-position:-120% 0}}
.empty{padding:30px 16px;text-align:center;border:1px dashed var(--line2);border-radius:15px;color:var(--muted);font-size:11px;line-height:1.8;background:rgba(251,247,238,.55)}

/* footer */
.footer{padding:20px 18px calc(30px + env(safe-area-inset-bottom));border-top:1px solid var(--line);color:var(--muted);font-size:9px;line-height:1.8}
.foot-brand{display:flex;justify-content:space-between;gap:10px;color:var(--ink);font-family:"DIN Alternate",Arial,sans-serif;font-size:10px;letter-spacing:.08em;margin-bottom:6px}
.foot-brand span{font-family:"PingFang SC",sans-serif;font-size:8px;color:var(--muted);letter-spacing:.04em}
.footer p{margin:3px 0}
.foot-meta b{color:var(--ink2)}

/* sheet */
.sheet{position:fixed;inset:0;z-index:100;display:none}
.sheet.open{display:block}
.scrim{position:absolute;inset:0;background:rgba(7,20,17,.58);backdrop-filter:blur(3px);animation:fade .2s ease}
.panel{position:absolute;left:0;right:0;bottom:0;max-height:88dvh;overflow:auto;-webkit-overflow-scrolling:touch;background:var(--paper2);border-radius:22px 22px 0 0;padding:10px 18px calc(24px + env(safe-area-inset-bottom));box-shadow:0 -20px 60px rgba(0,0,0,.25);animation:up .26s cubic-bezier(.2,.8,.2,1)}
.grab{width:38px;height:4px;border-radius:99px;background:#d8cdb9;margin:2px auto 10px}
.close{position:absolute;right:12px;top:9px;width:32px;height:32px;border-radius:50%;border:1px solid var(--line);background:var(--paper);color:var(--ink2);font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center}
.sheet-kicker{font-family:"DIN Alternate",Arial,sans-serif;font-size:8px;letter-spacing:.12em;color:var(--terra);padding-right:38px}
.sheet-title{font-family:"Songti SC","Noto Serif SC",serif;font-size:27px;line-height:1.2;margin:5px 0 2px;padding-right:34px}
.sheet-meta{font-size:10px;color:var(--muted)}
.sheet-price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;margin:13px 0 3px}
.sheet-price b{font-family:"DIN Alternate",Arial,sans-serif;font-size:36px;line-height:1;letter-spacing:-.01em}
.sheet-price span{font-size:11px;color:var(--muted)}
.sheet-total{font-size:10.5px;color:var(--ink2);line-height:1.6}
.sheet-tags{display:flex;gap:5px;flex-wrap:wrap;margin:10px 0 4px}
.sheet-tags span{font-size:9px;background:var(--paper3);color:var(--ink2);padding:3px 7px;border-radius:5px}
.sheet-block{border-top:1px solid var(--line);padding:11px 0 2px;margin-top:8px}
.sheet-block h4{margin:0 0 5px;font-size:9px;letter-spacing:.1em;color:var(--muted);font-weight:600;text-transform:uppercase}
.sheet-block p{margin:0;font-size:11px;line-height:1.8;color:var(--ink2)}
.sheet-block.pro{border-left:3px solid var(--jade);padding-left:10px;border-top:0;background:rgba(46,118,104,.05);padding-top:9px;padding-bottom:8px;border-radius:0 8px 8px 0}
.sheet-block.con{border-left:3px solid var(--terra);padding-left:10px;border-top:0;background:rgba(185,85,51,.05);padding-top:9px;padding-bottom:8px;border-radius:0 8px 8px 0}
.sheet-block.pro h4{color:var(--jade)}.sheet-block.con h4{color:var(--terra)}
.sheet-kv{display:grid;grid-template-columns:54px 1fr;gap:6px;font-size:10.5px;line-height:1.7;padding:4px 0;color:var(--ink2)}
.sheet-kv b{color:var(--ink);font-weight:600}
.sheet-src{display:inline-block;margin-top:10px;font-size:9.5px;color:var(--terra);text-decoration:none;border-bottom:1px solid rgba(185,85,51,.35)}
@keyframes up{from{transform:translateY(24px);opacity:.4}to{transform:none;opacity:1}}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* toast */
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translateX(-50%) translateY(12px);background:var(--ink);color:#f8f1e2;font-size:10px;padding:8px 13px;border-radius:999px;opacity:0;pointer-events:none;transition:all .2s;z-index:120;white-space:nowrap}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media(min-width:720px){
  .app{max-width:1040px}
  .hero{padding:26px 34px 28px;border-radius:0 0 32px 32px}
  .kicker{margin-top:28px;font-size:9px}
  .sub{font-size:12.5px}
  .kpis{grid-template-columns:repeat(4,1fr);max-width:620px}
  .kv{font-size:26px}
  .main{padding:18px 30px 40px}
  .list{grid-template-columns:1fr 1fr;gap:12px}
  .card{padding:15px 15px 14px}
  .map-card{border-radius:20px}
  .map-wrap{width:calc(100% - 24px);max-width:680px}
  .district-strip{padding:10px 16px 15px}
  .panel{left:50%;right:auto;bottom:4dvh;transform:translateX(-50%);width:600px;border-radius:22px;max-height:86dvh;padding:12px 24px 26px}
  .close{right:16px;top:12px}
  .sheet-title{font-size:30px}
  .footer{padding:24px 34px calc(36px + env(safe-area-inset-bottom))}
}
@media(min-width:1000px){
  .hero{padding-left:40px;padding-right:40px}
  h1{font-size:52px}
  .main{padding-left:40px;padding-right:40px}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;animation:none!important;transition:none!important}
}